MathSciNet bibliographic data MR1815919 (2002b:42032) 42C05 (30C10 30D50 33C47) Khrushchev, Sergei Schur's algorithm, orthogonal polynomials, and convergence of Wall's continued fractions in \$L\sp 2({\Bbb T})\$$L\sp 2({\Bbb T})$. J. Approx. Theory 108 (2001), no. 2, 161–248. Article

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